Tubular lamp



FIG. 1 is a front view of a tubular lamp showing our new design, theportion of the device depicted in broken lines being environment and nopart of the claimed design;

FIG. 2 is an enlarged perspective front view of the right end thereof,the portion of the device depicted in broken lines being environment andno part of the claimed design;

FIG. 3 is an enlarged front view thereof, the rear, top, and bottomviews being identical thereto, the portion of the device depicted inbroken lines being environment and no part of the claimed design;

FIG. 4 is an end view thereof; and,

FIG. 5 is an enlarged rear view of that depicted in FIG. 1, the front,top and bottom views being identical thereto, the portion of the devicedepicted in broken lines being environment and no part of the claimeddesign.

The ornamental design for a tubular lamp, as shown and described. 